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How is Climate Change Affecting Canada?

“The environmental threat to our world is greater than any time in human history. Just look around. We’re already seeing the impacts of climate change seared across the world.”

Mention Canada to anyone almost anywhere and several things spring immediately to mind. Famously polite people. Very, very good hockey players. A culture of inclusion. And Tim Horton’s.

It’s also unbelievably beautiful: From the temperate Pacific rainforests of British Columbia to the old French architecture of Montreal, the chilly, vital Arctic to Banff National Park, considered by many to be “the zenith of the entire Rocky Mountains,” the country is full of wonder.

But all that wonder is at risk.

“The environmental threat to our world is greater than any time in human history. Just look around. We’re already seeing the impacts of climate change seared across the world,” says the Honourable Catherine McKenna MP, Canada’s minister of environment and climate change.

Climate Reality recently spoke to Minister McKenna via email to discuss how the climate crisis is impacting Canada – and what the nation is doing about it.

Setting the scene, she does not mince words.

“Average temperatures in Canada have already increased by 1.7 degrees Celsius since 1948. Continued amplification of warming at high latitudes is projected under all scenarios of future climate change,” she explains. “Along with higher temperatures and increased rainfall, we will see rising sea levels. Warmer waters and ocean acidification are expected to become increasingly evident over the next century.”

The nation has experienced a higher rate of warming than most other regions of the world, particularly in its far-north and west. This warming has been most pronounced in the winter and springtime, and it’s leading to a number of major impacts across the country. These include permafrost and ice melt in the Arctic, sea-level rise, and more frequent and severe extreme weather, such as once-uncommon heat extremes and major changes in precipitation.

For the minister, seeing the human impacts of this warming on her fellow Canadians has hit by far the hardest.

“One of the saddest moments for me as minister was in Morocco at COP 23, when I heard an Inuit elder say to the leader of a small island state, ‘So my homeland is melting, and it’s causing yours to go underwater,’” Minister McKenna tells Climate Reality.

“This is not a matter of inconvenience to the Inuit – the melting of the sea ice and permafrost threaten the Inuit way of life and their very survival. The consequences are painful and profound.

“On a visit last summer to Tallurutiup Imanga – also known as Lancaster Sound – I met a 14-year-old Inuk boy. He sat down beside me and showed me a list of things he observed in his community related to climate change. He told of polar bears that were skinnier. Of his foot getting stuck while hunting in melting permafrost like quicksand, where the ground was once frozen. Of caribou – country food for the Inuit – disappearing. He spoke of his friends’ fathers disappearing, falling through the ice while hunting. These are hunters who for millennia have been able to use traditional knowledge to tell the thickness of the ice.”

Arctic ice melt is an incredibly serious problem for the longer-term health of the planet.

Sea ice is bright and reflective: 80 percent of the sunlight that hits it is reflected back into space. But when it melts, the dark ocean surface is exposed – and absorbs as much as 90 percent of the sunlight that strikes it. And when oceans become warmer, even more sea ice melts, and suddenly you have a dangerous and powerful positive feedback loop — a runaway train.

EXTREME WEATHER

Canada is largely thought of as a temperate-to-cool country, one insulated for the most part from the worst sorts of extreme weather. While that’s a slightly reductive read on a place as large and geographically diverse as Canada, it’s also not terribly off base.

Or at least it wasn’t for much of the nation’s history. The last few decades, however, have brought dangerous changes to Canada’s climate and weather.

“In the Canadian West, wildfires rage stronger and harsher than ever before. We’ve witnessed cities and homes burning, ranchers losing their stables – and each fire season, more communities displaced by the flames,” Minister McKenna explains.

“On the prairies, droughts and floods occur with increasing frequency, and produce greater devastation for families and farmers whose homes and businesses are harmed.”

These devastating events are being driven in large part by ever-rising temperatures and changes in precipitation patters. On average, Canada has become both warmer and wetter. But the amount and distribution of rain, snow, and ice across Canada has also shifted.

Like so many places around the globe, Canada has seen an increase in hot extremes. Intense heat can have a serious impact on human health, and – thanks at least in part to climate change – days of extremely high temperatures and poor air quality are only becoming more frequent. Worse, these days hit vulnerable populations in urban centers the hardest – specifically, babies, children, and seniors, as well as people who work outdoors or are already ill.

Sadly, in early July 2018, the southern part of the Canadian province of Québec endured one such period of sweltering heat – and it took the lives of up to 54 people, most of them between the ages of 50 and 85.

And Canadians are already footing an ever-growing bill, according to Minister McKenna.

“Canadians and those around the world are not only living the devastating impacts of climate change – they are also seeing the very real costs it has on communities and homes,” she says.

“From 1983 to 2004, insurance claims in Canada from severe-weather events totaled almost $400 million a year. In the past decade alone, that amount tripled to more than $1 billion a year. Climate change is expected to cost Canada’s economy $5 billion a year by 2020, and as much as $43 billion a year by 2050. Inaction is simply not an option.”

SEA-LEVEL RISE

Driven by melting land ice and seawater warming and expanding, global sea levels could rise by as much as (and perhaps more than) a meter by the end of the century.

Canada is a maritime nation. Eight of its 10 provinces and all three territories border ocean waters. That puts the western Arctic, Canada’s southeastern Atlantic Coast, and major cities like Vancouver and Halifax right on the front lines of sea-level rise.

The rate and severity of this flooding will depend both on the amount of sea-level rise we ultimately see and vertical land movement along the Canadian coastline, which is rising in some areas and subsiding in others, including the Maritimes (Nova Scotia, New Brunswick, and Prince Edward Island).

“On our coasts, the seas are rising and warming and there is more plastic pollution than ever before,” Minister McKenna adds.

LEARN MORE ABOUT OUR CHANGING CLIMATE

“In our big, cold country on the upper half of North America, the environment impacts where Canadians live, how we work, and how we see our future. Canadians, including myself, are focused on ensuring that we protect our environment all while creating good jobs and making sure our businesses are positioned to compete as we move to a cleaner and more sustainable future,” Minister McKenna says. “To accomplish this, we need to take strong action on climate change.”

She’s exactly right.

Solving the climate crisis is within our grasp, and we’ve made great strides all around the world, but there are clouds on the horizon that we cannot ignore. So our hard work must continue at this vital hour – and we need people like you to join our movement for solutions.

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